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From: Attid@yandex.ru
To: linux-hotplug@vger.kernel.org
Subject: How to write rule sound card?
Date: Wed, 11 Feb 2009 06:29:50 +0000	[thread overview]
Message-ID: <531951234333790@webmail22.yandex.ru> (raw)

i have 3 sound card
one internal and 
two external identical with FM tuner


after reboot there change name.  i have some experiment with serial port\touchscreen\lan, but can do it =(

Linux rl-adm 2.6.24-22-generic #1 SMP Mon Nov 24 18:32:42 UTC 2008 i686 GNU/Linux

ls -li /dev/audio*
11534 crw-rw----+ 1 root audio 14,  4 2009-02-03 18:40 /dev/audio
11644 crw-rw----+ 1 root audio 14, 20 2009-02-03 18:40 /dev/audio1
11809 crw-rw----+ 1 root audio 14, 36 2009-02-03 18:40 /dev/audio2

 find /sys -name dev | grep audio
/sys/devices/pci0000:00/0000:00:1e.0/0000:02:03.0/sound/card0/audio/dev
/sys/devices/pci0000:00/0000:00:1e.0/0000:02:04.0/sound/card1/audio1/dev
/sys/devices/pci0000:00/0000:00:1f.5/sound/card2/audio2/dev

i need simlink  for 
/sys/devices/pci0000:00/0000:00:1e.0/0000:02:03.0/sound/card0/audio/dev
 /sys/devices/pci0000:00/0000:00:1e.0/0000:02:04.0/sound/card1/audio1/dev
 
udevinfo -a -p /sys/devices/pci0000:00/0000:00:1e.0/0000:02:03.0/sound/card0/audio

looking at device '/devices/pci0000:00/0000:00:1e.0/0000:02:03.0/sound/card0/audio':
    KERNEL="audio"
    SUBSYSTEM="sound"
    DRIVER=""
    ATTR{dev}="14:4"

looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:02:03.0/sound/card0':
    KERNELS="card0"
    SUBSYSTEMS="sound"
    DRIVERS=""

*********************************************************************

udevinfo -a -p /sys/devices/pci0000:00/0000:00:1e.0/0000:02:04.0/sound/card1/audio1

looking at device '/devices/pci0000:00/0000:00:1e.0/0000:02:04.0/sound/card1/audio1':
    KERNEL="audio1"
    SUBSYSTEM="sound"
    DRIVER=""
    ATTR{dev}="14:20"

looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:02:04.0/sound/card1':
    KERNELS="card1"
    SUBSYSTEMS="sound"
    DRIVERS=""

*********************************************************************
 i try use ATTR{dev}="14:20" but it change after reboot too =(

can i use number of pci slot ? or even more ?

-- 
Igor Tolstov

                 reply	other threads:[~2009-02-11  6:29 UTC|newest]

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